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Communication Dans Un Congrès Année : 2020

What Can Task Teach Us About Query Reformulations?

Résumé

A significant amount of prior research has been devoted to understanding query reformulations. The majority of these works rely on time-based sessions which are sequences of contiguous queries segmented using time threshold on users’ activities. However, queries are generally issued by users having in mind a particular task, and time-based sessions unfortunately fail in revealing such tasks. In this paper, we are interested in revealing in which extent time-based sessions vs. task-based sessions represent significantly different background contexts to be used in the perspective of better understanding users’ query reformulations. Using insights from large-scale search logs, our findings clearly show that task is an additional relevant search unit that helps better understanding user’s query reformulation patterns and predicting the next user’s query. The findings from our analyses provide potential implications for model design of task-based search engines.
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Dates et versions

hal-02960357 , version 1 (08-10-2020)

Identifiants

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Lynda Tamine, Jesus Lovon, Karen Pinel-Sauvagnat. What Can Task Teach Us About Query Reformulations?. European Conference on Information Retrieval - ECIR 2020, Apr 2020, Lisbon (on line), Portugal. pp.636--650, ⟨10.1007/978-3-030-45439-5_42⟩. ⟨hal-02960357⟩
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